openssl req生成证书

• 生成自签名CA证书

  openssl req -x509 -newkey rsa:2048 -keyout ca-key.pem -out ca.pem -noenc

• 生成证书请求

  openssl req -newkey rsa:2048 -keyout key.pem -out req.pem -noenc

• 签名证书

  openssl req -x509 -CA ca.pem -CAkey ca-key.pem -in req.pem -copy_extensions copy -out c.pem

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